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8 - Module 2 TEST
| Term | Definition |
|---|---|
| Battery | A device that can generate an electric current by creating a potential difference between two poles |
| biomass energy | the chemical energy stored in organic matter or wastes |
| Chemical Change | A change that involves the rearrangement of atoms to form a new substance |
| Chemical Potential Energy | Potential energy held in the chemical bonds of a substance. |
| Combustibility | Capable of igniting and burning in the presence of oxygen |
| Combustion Reaction | A reaction that occurs between a fuel source and oxygen where water and carbon dioxide are produced. |
| Conduction | the transfer of heat from a warmer object to a cooler object through direct contact |
| Conservation of energy | Energy is not created or destroyed but only changes form |
| conservation | the wise management of natural resources, including the preservation of habitats and wildlife |
| convection current | A current in a fluid that moves heat around |
| Convection | The movement of energy in cells that move in a fluid motion within liquids, gasses and plasma |
| Elastic Potential Energy | is energy stored in an elastic object, such as a rubber band or a spring, when that object is stretched or compressed. |
| Energy | The ability to do work. |
| fossil fuels | a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms. |
| geothermal energy | thermal energy in Earth's interior from water or steam that has been heated by magma |
| Heat flow | Energy travels in the form of heat from a relatively warm location to a relatively cool location. i.e. Cold is the absence of heat |
| Heat | The transfer of thermal energy from warmer to cooler objects |
| hydroelectric energy | electrical energy produced by the flow of water |
| kinetic energy formula | 1/2 x mass x velocity^2 |
| Kinetic Energy | Energy of motion that is in the process of doing work |
| Magnetic Potential Energy | is the energy of an object that exists in a magnetic field. |
| Mechanical Energy | Energy involved with moving or displacing objects. |
| natural resources | materials found in nature that are used by living things |
| nonrenewable resource | A natural resource that is not replaced in a useful time frame. |
| nuclear energy | The potential energy stored in the nucleus of an atom |
| Photoelectric Cell | A specialized metal contained in a cell that can convert sunlight into electrical energy. |
| Potential energy formula | m x g x h |
| Potential Energy | Stored energy that has the potential to do work |
| Precipitate | A product of a chemical reaction that in not soluble in a solution |
| Radiation | The transport of energy through space without contact between molecules |
| Reactivity | The natural tendency of an atom, compound or molecule to interact with another atom, compound or molecule to form a new chemical substance |
| renewable resource | A natural resource that can be replaced at the same rate at which the resource is consumed |
| resources | materials found in the earth that people need and value |
| solar energy | energy from the sun that is converted into thermal or electrical energy |
| thermal conductor | a material that conducts thermal energy well |
| thermal insulator | a material that conducts thermal energy poorly |
| thermal radiation | transfer of thermal energy by waves that can travel through air or across space |
| wind energy | Energy generated from the kinetic energy of moving air |
Created by:
Ms. Greenup
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